Home / 30,859.60-46,306.20-16,818.80

Finding the Fourth Proportional to 30,859.60, 46,306.20 and 16,818.80

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Solution

The fourth proportional to 30,859.60, 46,306.20 and 16,818.80 is: 25,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.60 : 46,306.20 = 16,818.80 : x
  2. Step 2: Convert to fraction form
    30,859.60/46,306.20 = 16,818.80/x
  3. Step 3: Cross multiply
    30,859.60x = 46,306.20 × 16,818.80
  4. Step 4: Simplify right side
    30,859.60x = 778,814,716.56
  5. Step 5: Solve for x
    x = 778,814,716.56/30,859.60
  6. Step 6: Final answer
    x = 25,237.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.